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165 gr matrix load for 270 wby mag!!

 
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  #1  
Old 01-07-2012, 10:25 AM
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165 gr matrix load for 270 wby mag!!

Does anyone have a pet load or any information??
Thanks
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  #2  
Old 01-07-2012, 03:09 PM
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Re: 165 gr matrix load for 270 wby mag!!

I have never shot that bullet. But here are my accuracy loads with the 160 grain nosler partition. At least that should give you a starting point. My rifles have wby freebore so you need to adjust if yours do not. 70.5 grains H-4831 and 73.7 grains of IMR-7828. Let us know how these bullets perform. Should be a good one.
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Old 01-07-2012, 03:24 PM
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Re: 165 gr matrix load for 270 wby mag!!

Thanks for the info. Right now I'm shooting 150 grain berger vld's with 71 grains of h1000. Getting around 3125 fps. I have a winchester M70 with 27 in. Hart barrel. Not quite as much free bore as the Factory Weatherby. I'm gonna try the matrix bullets and see how they work. If i can get 3000 out of them I will be happy. McWorters says they are getting 3150. That's smoking for this size bullet!!
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Old 01-07-2012, 04:24 PM
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Re: 165 gr matrix load for 270 wby mag!!

I am getting over 3150 fps with the 160 partition in a 28" barrel so I would think Mcwhorters is accurate..
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Old 01-07-2012, 04:29 PM
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Re: 165 gr matrix load for 270 wby mag!!

When I was shooting the imr7828 and 130gr bullets. I was easily getting 3450. But the 7828 is a little temp. sensitive. The h1000 is way more stable. Living in the south, It's 20 degrees one day and 75 the next.
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Old 01-07-2012, 08:35 PM
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Re: 165 gr matrix load for 270 wby mag!!

Be sure to keep us updated, I've been running piles of the Matrix out of my WSM that is throated for them. I can easily run the 165 at 3053 fps and I start to get signs of pressure at 3150-3180fps and max at 3220ish with a 27.5in barrel. Curious to see what a WBY will do with them, should be good!!!
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Old 01-11-2012, 12:48 PM
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Re: 165 gr matrix load for 270 wby mag!!

I am trying to work up the 165 Matrix in my 270 Wby. mag. and would appreciate what OAL are successfully being seated to. I have a long throat with COAL at 3.820.

Thank you.
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